The Ten Surnames, each possessed strengths and weaknesses that allowed them to overcome one another.
Apart from Trick overcoming Punishment Soul, Walking Ghost subduing Negative Spirit, and Haishou overcoming Walking Ghost, there was also Witchcraft overcoming Haishou.
The reason was quite simple. The Haishou Path's power lay in its elusiveness and how it was impossible to defend against. However, Witchcraft excelled in using strange insects and observing the heavens and earth. In subtle ways, it could employ these insects to alter feng shui.
No matter how well a mansion was built, if strange insects invaded, it would become a perilous Evil Land, especially in its most advanced sections.
By using Witchcraft to observe the heavens and earth, one could also draw upon the earth's energy. This could break the Haishou Nightmare Technique, leading to losses for the target both internally and externally.
